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BS8485:2015 System

BS8485:2015 System

In 2015 the British Standard for Good Practice on Gas Membrane Testing and Verification of Protection Systems for Buildings against Hazardous Ground Gases was updated, BS 8485: 2015 supersedes all previous guidance (refer to verification page). BS 8485:2015 operating alongside the CIRIA 735 code of practice states Independent Gas Membrane Testing and Verification Programs are as important as the design and installation process.

Radbar Amber 1 Orange Membrane 25x2m
Radbar Amber 1 Orange Membrane 25x2m

Radbar Amber 1 is suitable for preventing the ingress of radon, methane and CO2 (low risk). This membrane has been tested by a leading independen..

  • Suitable for preventing the ingress of radon and moisture
  • Complies with NHBC Amber 1
  • Produced within the ISO9001 guidelines
  • 2000 Gauge / 500 mu

RRP: £124.96 Ex VAT
£91.63 Ex VAT £109.95 Inc VAT

Radbar Amber 2 Foil Membrane 50x2m
Radbar Amber 2 Foil Membrane 50x2m

Radbar Amber 2 Foil Barrier protects buildings, properties and occupants from the ingress of radon, carbon dioxide and methane gases (medium to high r..

  • Protects from the ingress of radon, carbon dioxide and methane gases
  • Independently tested to ISO 15105-1
  • Complies fully to BS 8485:2015
  • Suitable for use on NHBC Amber 2 sites

RRP: £391.63 Ex VAT
£374.99 Ex VAT £449.99 Inc VAT

Pre Formed Corners
Pre Formed Corners

Radbar Pre-form corners are suitable for use on sites affected by radon, methane, carbon dioxide and hydrocarbons/VOC’s. ..

  • Compliant to BS8485:2015
  • Effective against radon, methane, carbon dioxide and hydrocarbons/VOC’s.

RRP: £19.99 Ex VAT
£18.33 Ex VAT £21.99 Inc VAT

Radbar Double Sided Jointing Tape (50mm x 10m)
Radbar Double Sided Jointing Tape (50mm x 10m)

The RADBAR multipurpose Butyl tape is a double sided tape used for jointing membranes, detailing ancillaries such as pipe penetrations and DPC’s.&nbs..

  • Roll Size: 50mm x 10m
  • Very low moisture vapor transmission rate
  • Outstanding service life (lifetime of building)
  • Excellent elongation properties

RRP: £12.46 Ex VAT
£9.96 Ex VAT £11.95 Inc VAT

Top Hat
Top Hat

Top Hat pre-forms should be used to provide an effective seal around service pipe penetrations. They are available in a range of sizes such as 55mm, 8..

  • Jubilee clip included
  • Use GasTite Sealant around service pipes  within TopHat for complete protection

RRP: £12.91 Ex VAT
£10.41 Ex VAT £12.49 Inc VAT

Radbar Single Sided Foil Overlap Tape (75mm x 50m)
Radbar Single Sided Foil Overlap Tape (75mm x 50m)

Radbar Single Sided Foil Overlap Tape is an adhesive jointing tape designed for sealing over the face of vapour control layer membrane joints. ..

  • Roll Size: 75mm x 50m
  • This must be used alongside Radbar Double Sided Tape to fully bond membranes.
  • High quality bonding tape with proven performance
  • Suitable for vapour control applications
  • Very low moisture vapour transmission rate
  • Lasts lifetime of the building

RRP: £13.33 Ex VAT
£11.24 Ex VAT £13.49 Inc VAT

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